Mechanical weed seed management system

a technology of weed seed management and mechanical parts, applied in the direction of mowers, agriculture tools and machines, agriculture, etc., can solve the problems of increasing the ineffectiveness of chemical control of weeds, reducing the effectiveness of weed control, and reducing the yield of weeds

Active Publication Date: 2018-09-04
BAIL & BURNIT PTY LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Often, weeds cause huge production losses each harvest.
Crop-topping may reduce grain contamination, but will not increase yields.
Herbicide resistance is also making the use of chemicals to control weeds increasingly ineffective.
Rotation methods can decrease the amount of profitable land available to a farmer in a year and may force the farming of less profitable material on the available land.
If seeds are dropped to the earth from the harvester and an unacceptable amount of straw and other material covers the seed, the seeds are insulated somewhat from the burn and remain viable.
However, if the ryegrass levels in the crop were significant, the baled material will have an unacceptable level of annual ryegrass toxicity (ARGT) for direct straw export.
However, these accessories have been rarely used as they have been found to prevent the smooth flow of material through the harvester and cause frequent blockages.

Method used

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  • Mechanical weed seed management system
  • Mechanical weed seed management system
  • Mechanical weed seed management system

Examples

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Embodiment Construction

[0037]Referring to the Figures, there is shown a device 10 of a mechanical weed seed management system for use with and upon a harvester 12. The device 10 is mounted upon the harvester 12 so as to catch and process waste material, such as weed and straw, from the harvesting process. Accordingly, the device 10 is generally mounted toward the rear of the harvester 12.

[0038]The trough 24 of the device 10 is annular and generally rounded-triangular in shape (as best seen in FIG. 3), encircling the back of the harvester 12 and reaching to an underside of the harvester 12. The trough 24 comprises at least three walls defining a volume therein of a depth greater than 150 mm, preferably about 310 mm deep. The width of the trough is between about 250 mm and 450 mm, preferably between 275 mm and 290 mm. Within the trough 24 is disposed a chain 26 comprising paddles 28 spaced apart on links of the chain 26. The height of each paddle 28 is complementary to the depth of the trough 24; similarly,...

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PUM

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Abstract

The present invention relates to a mechanical weed seed management system and device for use on a harvester. The device comprises a plate to separate straw waste from chaff waste after their discharge from the harvester; a chute to catch, direct, and deposit the straw waste to the ground; and an annular trough comprising a means for transporting material through its length, for catching, transporting, and depositing the chaff waste on top of the straw waste on the ground, wherein the trough is of a depth greater than 150 mm, and wherein the plate directs the straw waste from the harvester to the chute. The system for the management of weeds in farmable land comprises the device.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is the U.S. National Phase of, and Applicants claim priority from, International Application No. PCT / AU2015 / 000703, filed 20 Nov. 2015, and Australian Provisional Patent Application No. 2015902339, filed 18 Jun. 2015, both of which are incorporated herein by reference in their entirety.FIELD OF THE INVENTION[0002]The present invention relates to a mechanical weed seed management system and device for use therewith.BACKGROUND[0003]Annually, grain farmers are faced with weeds, for example, ryegrass and radish, within their crops. Often, weeds cause huge production losses each harvest. Presently, herbicides are used to attempt to control weeds in techniques such as crop-topping: the late application of herbicides to prevent weed seed-set in crop. Crop-topping may reduce grain contamination, but will not increase yields. Herbicide resistance is also making the use of chemicals to control weeds increasingly ineffective.[0004]A...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A01D41/12
CPCA01D41/1243
Inventor BRADLEY, PHILLIP
Owner BAIL & BURNIT PTY LTD
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